Questões de Concurso

      Pollution is the degradation of natural environment by external substances introduced directly or indirectly. Human health, ecosystem quality and aquatic and terrestrial biodiversity may be affected and altered permanently by pollution.

        Pollution occurs when ecosystems cannot get rid of substances introduced into the environment. The critical threshold of its ability to naturally eliminate substances is compromised and the balance of the ecosystem is broken.

       The sources of pollution are numerous. The identification of these different pollutants and their effects on ecosystems is complex. They can come from natural disasters or the result of human activity, such as oil spills, chemical spills, nuclear accidents. These can have terrible consequences on people and the planet where they live: destruction of the biodiversity, increased mortality of the human and animal species, destruction of natural habitat, damage caused to the quality of soil, water, and air.

     Preventing pollution and protecting the environment necessitate the application of the principles of sustainable development. We must consider satisfying the needs of today without compromising the ability of future generations to meet their needs. This means that we should remedy existing pollution, but also anticipate and prevent future pollution sources to protect the environment and public health. Any environmental damage must be punishable by law, and polluters should pay compensation for the damage caused to the environment.

Fonte: University Mentouri Bros. Constantine. Department of Lettres and the English Language. English for Science and Technology Practice. Prepared and presented by Prof. Nacif Labed, April 2020.

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In our modern world, there are many factors that place the wellbeing of the planet in jeopardy. While some people have the opinion that environmental problems are just a natural occurrence, others believe that human beings have a huge impact on the environment. Regardless of your viewpoint, take into consideration the following factors that place our environment as well as the planet Earth in danger.

Global warming or climate change is a major contributing factor to environmental damage. Because of global warming, we have seen an increase in melting ice caps, a rise in sea levels, and the formation of new weather patterns. These weather patterns have caused stronger storms, droughts, and flooding in places that they formerly did not occur.

Air pollution is primarily caused as a result of excessive and unregulated emissions of carbon dioxide into the air. Pollutants mostly emerge from the burning of fossil fuels in addition to chemicals, toxic substances, and improper waste disposal. Air pollutants are absorbed into the atmosphere, and they can cause smog, a combination of smoke and fog, in valleys as well as produce acidic precipitation in areas far away from the pollution source.

In many areas, people and local governments do not sustainably use their natural resources. Mining for natural gases, deforestation, and even improper use of water resources can have tremendous effects on the environment. While these strategies often attempt to boost local economies, their effects can lead to oil spills, interrupted animal habitats, and droughts.

Ultimately, the effects of the modern world on the environment can lead to many problems. Human beings need to consider the repercussions of their actions, trying to reduce, reuse, and recycle materials while establishing environmentally sustainable habits. If measures are not taken to protect the environment, we can potentially witness the extinction of more endangered species, worldwide pollution, and a completely uninhabitable planet.